/ Dictionary / Index T tektosilicate: Meaning and Definition of Find definitions for: tek•to•sil•i•cate Pronunciation: (tek"tō-sil'i-kit, -kāt"), [key] — n. Mineral. any silicate in which each tetrahedral group shares all its oxygen atoms with neighboring groups, the ratio of silicon to oxygen being 1 to 2. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tektite TEL Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language